{"product_id":"arco-marine-zeus-24v-4kw-lto-alternator-with-isolated-ground-for-common-rail-engines","title":"ARCO Marine Zeus 24V 4kW LTO Alternator with Isolated Ground for Common Rail Engines","description":"\u003cp id=\"isPasted\"\u003e\u003cstrong\u003eZeus 24V 4kW Low Turn On (LTO) 3.15 Alternator with Isolated Ground (Common Rail)\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe ARCO Zeus 24v 4kW LTO alternator turns on at lower RPMs, runs cooler, and provides more power than older designs that are larger and heavier. This alternator continuously generates over 1.4kW (51 Amps) at just under 1,500 RPM and almost 2.4kW (87 Amps) at 2,000 Alternator RPM. Put in real-world terms, a marine diesel engine idling at 750 RPM with a 2:1 pulley ratio is generating over 1.5kW (55 Amps), and a Mercedes Sprinter at 750 RPM with a 3.21:1 ratio is generating over 2.5kW (91 Amps)!\u003c\/p\u003e\u003cp\u003eThe ARCO Zeus 24v 4kW alternator turns on at lower RPMs, runs cooler, and provides more power than older designs that are larger and heavier. The newest generation of 24V performance has arrived.\u003c\/p\u003e\u003cp\u003eCompetitors 24V alternators utilize a 12V rotor and field current which is less efficient and limits output at all RPMs. ARCO utilizes a native 24V rotor and field current. This results in our 24V alternator running cooler than competitors 24V alternators, having a direct impact on the alternator lifespan.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul style='box-sizing: border-box; border: 0px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-variant-alternates: inherit; font-variant-position: inherit; font-variant-emoji: inherit; font-weight: 400; font-stretch: inherit; font-size: 14px; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, \"Helvetica Neue\", Arial, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\"; font-optical-sizing: inherit; font-size-adjust: inherit; font-kerning: inherit; font-feature-settings: inherit; font-variation-settings: inherit; margin: 0px; padding: 0px; vertical-align: baseline; list-style: inside disc; color: rgb(33, 37, 41); letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;'\u003e\n\u003cli style=\"box-sizing: border-box; border: 0px; font: inherit; margin: 15px 0px; padding: 0px; vertical-align: baseline; display: list-item; list-style-type: disc;\"\u003eEngineered for high energy production.\u003c\/li\u003e\n\u003cli style=\"box-sizing: border-box; border: 0px; font: inherit; margin: 15px 0px; padding: 0px; vertical-align: baseline; display: list-item; list-style-type: disc;\"\u003eSuitable for marine, RV, military, and commercial applications.\u003c\/li\u003e\n\u003cli style=\"box-sizing: border-box; border: 0px; font: inherit; margin: 15px 0px; padding: 0px; vertical-align: baseline; display: list-item; list-style-type: disc;\"\u003eRapidly charges large battery banks.\u003c\/li\u003e\n\u003cli style=\"box-sizing: border-box; border: 0px; font: inherit; margin: 15px 0px; padding: 0px; vertical-align: baseline; display: list-item; list-style-type: disc;\"\u003eCoolest operating temperatures for increased performance:\u003c\/li\u003e\n\u003cli style=\"box-sizing: border-box; border: 0px; font: inherit; margin: 15px 0px; padding: 0px; vertical-align: baseline; display: list-item; list-style-type: disc;\"\u003eHeat shedding coatings\u003c\/li\u003e\n\u003cli style=\"box-sizing: border-box; border: 0px; font: inherit; margin: 15px 0px; padding: 0px; vertical-align: baseline; display: list-item; list-style-type: disc;\"\u003eRectifier located on housing exterior\u003c\/li\u003e\n\u003cli style=\"box-sizing: border-box; border: 0px; font: inherit; margin: 15px 0px; padding: 0px; vertical-align: baseline; display: list-item; list-style-type: disc;\"\u003eDual cooling fans\u003c\/li\u003e\n\u003cli style=\"box-sizing: border-box; border: 0px; font: inherit; margin: 15px 0px; padding: 0px; vertical-align: baseline; display: list-item; list-style-type: disc;\"\u003eOEM components\u003c\/li\u003e\n\u003cli style=\"box-sizing: border-box; border: 0px; font: inherit; margin: 15px 0px; padding: 0px; vertical-align: baseline; display: list-item; list-style-type: disc;\"\u003eOptimized for performance at cruising speeds.\u003c\/li\u003e\n\u003cli style=\"box-sizing: border-box; border: 0px; font: inherit; margin: 15px 0px; padding: 0px; vertical-align: baseline; display: list-item; list-style-type: disc;\"\u003eReduces the need for a generator by creating additional power with your engine.\u003c\/li\u003e\n\u003cli style=\"box-sizing: border-box; border: 0px; font: inherit; margin: 15px 0px; padding: 0px; vertical-align: baseline; display: list-item; list-style-type: disc;\"\u003eUnleash peak performance with E-Coat\/Cerakote, keeping the high amp alternator cooler for sustained amperage output.\u003c\/li\u003e\n\u003cli style=\"box-sizing: border-box; border: 0px; font: inherit; margin: 15px 0px; padding: 0px; vertical-align: baseline; display: list-item; list-style-type: disc;\"\u003eUse the ARCO Zeus Bluetooth Alternator Regulator for maximum performance or lithium battery charging.\u003c\/li\u003e\n\u003cli style=\"box-sizing: border-box; border: 0px; font: inherit; margin: 15px 0px; padding: 0px; vertical-align: baseline; display: list-item; list-style-type: disc;\"\u003eSAE J1171 Certified.\u003c\/li\u003e\n\u003cli style=\"box-sizing: border-box; border: 0px; font: inherit; margin: 15px 0px; padding: 0px; vertical-align: baseline; display: list-item; list-style-type: disc;\"\u003eProudly made in the U.S.A.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVoltage - 24v\u003c\/li\u003e\n\u003cli\u003eField Type - P\u003c\/li\u003e\n\u003cli\u003eRotor Poles - 16\u003c\/li\u003e\n\u003cli\u003eStator Size - 138mm\u003c\/li\u003e\n\u003cli\u003eFrame Size - Large\u003c\/li\u003e\n\u003cli\u003eWeight - 15.89lbs\/7.2kg\u003c\/li\u003e\n\u003cli\u003eRegulation - External Only\u003c\/li\u003e\n\u003cli\u003eFinish - (Black) E-coating\u003c\/li\u003e\n\u003cli\u003eCut-In RPM - 1,072 Alternator RPM\u003c\/li\u003e\n\u003cli\u003eMaximum Alt RPM - 19,000\u003c\/li\u003e\n\u003cli\u003eBattery Post - M8 Thread Post, Side Mount\u003c\/li\u003e\n\u003cli\u003eStandard Pulley - 49K6 (6-groove, 49mm)\u003c\/li\u003e\n\u003cli\u003ePulley Mount - 17mm diameter shaft, 25mm long, threaded M17 x 1.5\u003c\/li\u003e\n\u003cli\u003ePulley Hardware - M17 x 1.5 x 24mm nut, w\/ 18mm ID x 29mm OD washer (Included)\u003c\/li\u003e\n\u003cli\u003eDiodes - 6 positive, 6 negative, 50A Rated, Avalanche\u003c\/li\u003e\n\u003cli\u003eMax Output (Cold, 9,000 RPM) at 27.5v - 144 Amps - 3,960 Watts  5.7Kw PTO\u003c\/li\u003e\n\u003cli\u003eSustained Cruising Output (Hot, 6,000 RPM) at 27.5v - 130 Amps - 3,575 Watts  5.1Kw PTO\u003c\/li\u003e\n\u003cli\u003eSustained Idle Output (Hot, 3,000 RPM) at 27.5v - 108 Amps - 2,970 Watts  4.2kW PTO\u003c\/li\u003e\n\u003cli\u003eMax Continuous Operating Temperature - 100C \/ 212F\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eMounting Application:\u003c\/strong\u003e\u003c\/p\u003e\u003cul style='box-sizing: border-box; border: 0px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-variant-alternates: inherit; font-variant-position: inherit; font-variant-emoji: inherit; font-weight: 400; font-stretch: inherit; font-size: 14px; line-height: inherit; font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, \"Helvetica Neue\", Arial, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\"; font-optical-sizing: inherit; font-size-adjust: inherit; font-kerning: inherit; font-feature-settings: inherit; font-variation-settings: inherit; margin: 0px; padding: 0px; vertical-align: baseline; list-style: inside disc; color: rgb(33, 37, 41); letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; white-space: normal; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;'\u003e\u003cli style=\"box-sizing: border-box; border: 0px; font: inherit; margin: 15px 0px; padding: 0px; vertical-align: baseline; display: list-item; list-style-type: disc;\"\u003eMust Be used on Yanmar Common Rail Engines introduced after 2013 (JH-CR, 3JH40, 4JH45, 4JH57, 4JH80, 4JH110).\u003c\/li\u003e\u003c\/ul\u003e \u003c!--- cis2:m2lumZRk ---\u003e\n\u003cp\u003eThe ARCO Marine Zeus 24V 4kW Low Turn On (LTO) Alternator, part number 4402, is engineered for high-performance applications in marine, RV, military, and commercial environments. Featuring a native 24V rotor and field current, this alternator delivers superior efficiency, cooler operation, and increased output compared to traditional designs. It continuously generates over 1.4kW (51 Amps) at just under 1,500 RPM and approaches 2.4kW (87 Amps) at 2,000 RPM, making it ideal for charging large battery banks rapidly and reliably. At idle speeds typical of marine diesel engines or vehicle engines, the Zeus alternator produces substantial power, reducing the need for additional generators and enhancing overall energy management.\u003c\/p\u003e\u003cp\u003eConstructed with robust OEM components, the ARCO Zeus alternator features advanced heat shedding coatings and dual cooling fans to maximize operating temperatures up to 212°F. Its exterior-mounted rectifier and innovative design facilitate heat dissipation, promoting longer lifespan and sustained performance. The alternator’s high efficiency is supported by a large 138mm stator size and a 16-pole rotor, ensuring optimal electrical output at cruising speeds. The unit is also compatible with the ARCO Bluetooth Alternator Regulator, enabling precise performance tuning and lithium battery charging for modern energy systems.\u003c\/p\u003e\u003cp\u003eDesigned specifically for Yanmar Common Rail engines introduced after 2013, the alternator is suitable for applications where space and weight are critical. It features a large frame, side-mount M8 threaded post, and a standard 49mm multi-groove pulley with included hardware. The alternator's regulation is external, and it supports maximum RPMs up to 19,000, with a cut-in RPM of approximately 1,072. Its durable black E-coat finish adds corrosion resistance, making it suitable for harsh environments. The ARCO Marine Zeus alternator is proudly manufactured in the USA, certified to SAE J1171 standards, and designed to unleash peak performance while extending service life in demanding conditions.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eEngineered for high energy production with efficient native 24V rotor and field current\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSuitable for marine, RV, military, and commercial applications\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eRapidly charges large battery banks with high amperage output\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eOperates cooler thanks to heat shedding coatings and dual cooling fans\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eRectifier located on housing exterior for enhanced heat dissipation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSupports high RPM operation up to 19,000 RPM\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCompatible with Bluetooth regulator for optimal performance and lithium charging\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eConstructed with OEM components for durability and longevity\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDesigned for Yanmar Common Rail engines introduced after 2013\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eProtected with corrosion-resistant black E-coating finish\u003c\/li\u003e\u003c\/ul\u003e","brand":"ARCO Marine","offers":[{"title":"Default Title","offer_id":44431366619178,"sku":"107549","price":1427.8,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/107549XL.jpg?v=1780868346","url":"https:\/\/atticusgoods.com\/products\/arco-marine-zeus-24v-4kw-lto-alternator-with-isolated-ground-for-common-rail-engines","provider":"Atticus Goods","version":"1.0","type":"link"}